code: def get_chunk_count(self, file_size, chunk_size):
      chunk_idx = 0
      while file_size > chunk_size:
          chunk_idx += 1
          file_size -= chunk_size
      return chunk_idx + 1
  
file_path: neptune-client/tests/unit/neptune/legacy/internal/storage/test_datastream.py
imports: import unittest
  import pytest
  from mock import Mock
  from neptune.common.exceptions import InternalClientError
  from neptune.common.storage.datastream import FileChunker
  from neptune.legacy.internal.api_clients.client_config import MultipartConfig
label_desc: Use image node_id 1 for calling the TestFileChunker obj's underlying member method code with example usage: obj.get_chunk_count(file_size, chunk_size) and returns: unknown